Clegg Brian. (2004). Crash Course in Personal Development. Kogan Page.
Chicago-čujuhus (17. p.)Clegg Brian. Crash Course in Personal Development. London: Kogan Page, 2004.
MLA-čujuhus (9. p.)Clegg Brian. Crash Course in Personal Development. Kogan Page, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.